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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesBuchs SgACV WILLI Treuhand + Immobilien AG Buchs
ACV WILLI Treuhand + Immobilien AG Buchs Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ACV WILLI Treuhand + Immobilien AG Buchs is a services firm offering fiduciary (treuhand), real estate and business consulting services, as well as auditing services provided via ACV Wirtschaftsprüfung AG. Fiduciary tasks range from tax returns to estate settlement; real estate services include sales, rentals, property valuation and project development.

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Products & services

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ACV WILLI Treuhand + Immobilien AG Buchs

✓ Offered6
Property management
Property management for rental properties, condominium ownership and residential and commercial premises; administrative and technical management, property ledger accounting, heating and ancillary cost statements, annual financial statements.
Real estate sales and marketing
Real estate sales and rental with advice, appraisals, valuations, promotion, viewings, purchase contract processing and settlement of real estate capital gains tax.
Property purchase and rental
Intermediation and search for houses and apartments for rent or purchase; current listings and targeted property search in Eastern Switzerland.
Project and site development
Project and site development with financing advisory, negotiations and, on request, project management for real estate projects.
Real estate advisory
Real estate valuations, property financing and client-side support for real estate projects and individual properties.
Condominium establishment and regulations
Formation of condominium owner communities and preparation of condominium management regulations with professional support.
Trust & reputation

ranQ Trust Score of ACV WILLI Treuhand + Immobilien AG Buchs: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

ACV WILLI Treuhand + Immobilien AG Buchs scores 75.1 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.80.024%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.61.010%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.78.08%
ACV WILLI Treuhand + Immobilien AG Buchs scores 89.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.70.07%
ACV WILLI Treuhand + Immobilien AG Buchs scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
ACV WILLI Treuhand + Immobilien AG Buchs scores 40.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ACV WILLI Treuhand + Immobilien AG Buchs reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 10 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.910
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Comparisons

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Location

Wiedenstrasse 52c
9470 Buchs Sg
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.678.913
Founded
1994 · 32 years
Last commercial register change
January 23, 2026
Employees
11 to 20
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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